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Morpho-dimensional analysis of the maxillary central incisor clinical crown in cases of congenitally missing upper lateral incisors.
Prog Orthod. 2009; 10(1):12-9.PO

Abstract

AIM

the purpose of this study was to analyse the crown morphology of maxillary central incisors in cases of agenesis of the upper lateral incisors, in order to establish patterns of associations between reduced mesio-distal dimensions of anterior teeth and tooth abnormalities in number.

MATERIALS AND METHODS

the sample consisted of 31 patients with unilateral and bilateral absence of maxillary lateral incisors. Ninety six subjects without any agenesis were included in the control group. Mesio-distal widths of each central incisor crown were measured by means of 2 parameters; at the apical third of the crown and at the contact point. A Student's t test was used to compare the results of each measurement within both group.

RESULTS

Significant differences were found in mesio-distal diameters at the contact points but not in the mesio-distal diameter at the apical third of the crown.

CONCLUSIONS

It could be suggested that in case of cases of agenesis of the lateral incisors the central incisors show a rectangular shape of the crown instead of the trapezoid shape in subjects without agenesis. These remarks should be considered before the orthodontic-prosthetic treatment is planned.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng ita

PubMed ID

19506742

Citation

Olivadoti, Agostino, et al. "Morpho-dimensional Analysis of the Maxillary Central Incisor Clinical Crown in Cases of Congenitally Missing Upper Lateral Incisors." Progress in Orthodontics, vol. 10, no. 1, 2009, pp. 12-9.
Olivadoti A, Doldo T, Treccani M. Morpho-dimensional analysis of the maxillary central incisor clinical crown in cases of congenitally missing upper lateral incisors. Prog Orthod. 2009;10(1):12-9.
Olivadoti, A., Doldo, T., & Treccani, M. (2009). Morpho-dimensional analysis of the maxillary central incisor clinical crown in cases of congenitally missing upper lateral incisors. Progress in Orthodontics, 10(1), 12-9.
Olivadoti A, Doldo T, Treccani M. Morpho-dimensional Analysis of the Maxillary Central Incisor Clinical Crown in Cases of Congenitally Missing Upper Lateral Incisors. Prog Orthod. 2009;10(1):12-9. PubMed PMID: 19506742.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Morpho-dimensional analysis of the maxillary central incisor clinical crown in cases of congenitally missing upper lateral incisors. AU - Olivadoti,Agostino, AU - Doldo,Tiziana, AU - Treccani,Marta, PY - 2009/6/10/entrez PY - 2009/6/10/pubmed PY - 2009/10/30/medline SP - 12 EP - 9 JF - Progress in orthodontics JO - Prog Orthod VL - 10 IS - 1 N2 - AIM: the purpose of this study was to analyse the crown morphology of maxillary central incisors in cases of agenesis of the upper lateral incisors, in order to establish patterns of associations between reduced mesio-distal dimensions of anterior teeth and tooth abnormalities in number. MATERIALS AND METHODS: the sample consisted of 31 patients with unilateral and bilateral absence of maxillary lateral incisors. Ninety six subjects without any agenesis were included in the control group. Mesio-distal widths of each central incisor crown were measured by means of 2 parameters; at the apical third of the crown and at the contact point. A Student's t test was used to compare the results of each measurement within both group. RESULTS: Significant differences were found in mesio-distal diameters at the contact points but not in the mesio-distal diameter at the apical third of the crown. CONCLUSIONS: It could be suggested that in case of cases of agenesis of the lateral incisors the central incisors show a rectangular shape of the crown instead of the trapezoid shape in subjects without agenesis. These remarks should be considered before the orthodontic-prosthetic treatment is planned. SN - 1723-7785 UR - https://www.unboundmedicine.com/medline/citation/19506742/Morpho_dimensional_analysis_of_the_maxillary_central_incisor_clinical_crown_in_cases_of_congenitally_missing_upper_lateral_incisors_ DB - PRIME DP - Unbound Medicine ER -